发明人马晓峰,郑宇鹏,沈红梅. "Method for the Synthesis of 4-(2,4-dioxohexahydropyrimidin-1-yl)-3-methoxy-benzoic acid" [P]. 中国发明专利, 专利号 CN 109213440 B, 授权公告日 2022-07-28.
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